htmx-debugger icon

htmx-debugger

by NomadicDaddy · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

htmx-debugger - a debugging tool for htmx applications

Users
370
+17 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#49K
#41K among extensions
Version
1.2.1
updated 30 Jul 2026

Users

monthly, 2 years
03,0006,000Oct 2024Nov 2025Oct 2026
Latest, 15 Oct 2026: 370 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
001Oct 2024Nov 2025Oct 2026
Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About htmx-debugger

## Overview htmx-debugger is a powerful browser extension (compatible with Chrome and Firefox) designed to help developers debug and analyze htmx applications. It provides a comprehensive and user-friendly interface for viewing htmx events, requests, and responses in real-time. This tool is essential for understanding and troubleshooting htmx-powered web applications, making the development process smoother and more efficient. ## Features - Real-time capture and display of htmx events - Intelligent grouping of related events for easier analysis - Powerful search functionality to filter events - One-click clear button to reset the debugger view - Flexible event filtering (All, Request, Response) - Collapsible event details for a cleaner interface - Detailed timing information for request-response cycles - Live connection status indicator - Automatic periodic connection checks for improved stability - Robust error handling and reporting ## Future - Export functionality to save captured events as a JSON file - Import capability to load and analyze events from a JSON file ## Usage ### Opening the Debugger 1. Navigate to a webpage that uses htmx. 2. Open Chrome DevTools (Right-click > Inspect or press F12). 3. Look for the "htmx" tab in the DevTools panel. If you don't see it, click on the ">>" icon to find it in the list of additional tools. ### Debugging htmx Events The debugger automatically captures htmx events as they occur on the page. Each event is displayed with the following information: - Event type - Timestamp - Target element details - Event-specific details - XHR information (for relevant events) ### Using the Debugger Features 1. **Connection Status**: Check the connection status indicator in the panel header to ensure the debugger is properly connected. 2. **Search**: Use the search bar at the top to filter events based on their content. 3. **Clear**: Click the "Clear" button to reset the debugger and remove all captured events. 4. **Event Filtering**: Use the filter buttons to show all events, only requests, or only responses. 5. **Expand/Collapse**: Click on an event header to expand or collapse its details. 6. **Timing Information**: For grouped events, the total duration is displayed at the bottom of the group. ## Troubleshooting - If you don't see any events in the debugger, ensure that the webpage you're debugging is actually using htmx. - If the htmx tab doesn't appear in DevTools, try reloading the page or reopening DevTools. - Check the browser console for any error messages related to the extension. - If the connection status shows "Disconnected", try reloading the page. - If problems persist, try disabling and re-enabling the extension, reloading the webpage, or restarting Chrome. ## Privacy Policy htmx-debugger is committed to protecting user privacy and does not collect or use any personal user data. The extension operates solely within the context of the user's browser to provide debugging functionality for htmx applications. ### Permissions and Their Justifications 1. **alarms**: The alarms permission is used to schedule periodic connection checks, ensuring the debugger maintains a stable connection to the webpage. This improves the reliability of the debugging process. ### Single Purpose Description The single purpose of htmx-debugger is to provide a comprehensive debugging tool for web developers working with htmx-powered applications. It captures, displays, and analyzes htmx events in real-time, offering insights into the behavior and performance of htmx interactions within web pages. ### Data Usage Compliance htmx-debugger complies with the Chrome Web Store Developer Program Policies regarding data usage. The extension: - Does not collect any personal user data - Does not transmit any captured debugging information outside of the user's browser - Only processes information necessary for its core debugging functionality - Stores data locally and solely for the purpose of improving the user's debugging experience By using htmx-debugger, users can be assured that their privacy is respected and that the extension operates within the bounds of its stated purpose as a development tool for htmx applications.

Growth

WindowUsersChangeRatingsRating
7 days−11−2.9%00.00
30 days+17+4.8%00.00
6 months−59−13.8%00.00
1 year+80+27.6%00.00

Chrome Web Store search rankings

Where htmx-debugger appears when people search the store, with the 30 day change
Search phrasePosition30 days
purpose#26−2
debug#32+4

Version history

4 versions recorded
1.2.130 Jul 2026
1.0.623 Oct 2024
1.0.511 Oct 2024
1.0.48 Oct 2024

Details

Category
Developer Tools
First seen
8 Oct 2024
Size
72 KB
Languages
en-US
Pricing
Free
Extension ID
fkpjmdhppdadklmcjbifffmjplgoboic

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
alarms

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